Mitutoyo High-Precision Digital Height Gauge QMH-600" A

Warning: This procedure requires trained personnel!

Is battery picture shown on the LCD screen?

If battery picture is shown on the LCD screen, replace the batteries with new ones.

Did replacing the batteries solve the issue?

If the issue persists, proceed to adjust the airflow.

Direction of turning the air-float adjustment screw

Note: Variations in airflow may cause the main unit to vibrate. In this case, reduce the airflow.

Did adjusting the airflow solve the issue?

If you adjust the airflow, make sure that the friction between the surface plate and the main unit is reduced before use.

Caution: Do not apply an external voltage to the product with a device such as an electric engraver. Doing so may lead to damage or malfunction.

If the device will not be used for an extended period of time, remove the batteries. Battery leakage can damage the device.

Only use LR6 (AA alkaline) or Ni-MH (nickel metal hydride) batteries. Handle the batteries according to their instructions.

Do not charge or disassemble the accompanying batteries. They may short circuit.

Is the AC adapter connected to a high-current power supply used by machine tools or large CNC measuring instrument?

Sign off on the battery and power maintenance

Warning: Do not use organic solvents like thinner for cleaning.

Wipe the main unit, base, and probe using a lint-free cloth or paper towel dampened with neutral detergent.

Cover the main unit with the included product cover to prevent dirt and dust accumulation.

Sign off on the cleaning procedure